Home / 16,778.84-25,146.54-6,906.68

Finding the Fourth Proportional to 16,778.84, 25,146.54 and 6,906.68

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Solution

The fourth proportional to 16,778.84, 25,146.54 and 6,906.68 is: 10,351.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.84 : 25,146.54 = 6,906.68 : x
  2. Step 2: Convert to fraction form
    16,778.84/25,146.54 = 6,906.68/x
  3. Step 3: Cross multiply
    16,778.84x = 25,146.54 × 6,906.68
  4. Step 4: Simplify right side
    16,778.84x = 173,679,104.89
  5. Step 5: Solve for x
    x = 173,679,104.89/16,778.84
  6. Step 6: Final answer
    x = 10,351.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.